CN104330831A - Non-polarized electrode - Google Patents
Non-polarized electrode Download PDFInfo
- Publication number
- CN104330831A CN104330831A CN201410649574.1A CN201410649574A CN104330831A CN 104330831 A CN104330831 A CN 104330831A CN 201410649574 A CN201410649574 A CN 201410649574A CN 104330831 A CN104330831 A CN 104330831A
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- electrode
- polarizing electrode
- housing
- circular
- metal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/083—Controlled source electromagnetic [CSEM] surveying
- G01V2003/085—Receivers
Abstract
The invention discloses non-polarized electrode. According to the non-polarized electrode, an electronic physics method principle is adopted, an electric conduction electrode is made of a metal material, the surface of the electrode is coated with an electric conduction particle coating layer, a polarization potential is generated after the electric conduction particle coating layer contacts with a measured object, the electric discharge effects are exerted by electric conduction particles in the coating layer in a mutual contact electric conduction mode, the polarization potential generated between the metal electrode and the measured object can be eliminated by electric discharge effects, and non-polarized characteristics can be kept by the metal electrode. The non-polarized electrode consists of a conducting wire, the metal electrode, the electric conduction particle coating layer and an engineering plastic outer shell. The non-polarized electrode disclosed in the invention is simple to manufacture and light in weight, no chemical reaction can be generated in utilization processes, and no pollution can be caused to earth soil and environment.
Description
Technical field
The present invention relates in geophysics the device detecting earth electric field signal, particularly relate to a kind of non-polarizing electrode of telluric electricity field signal measurement.
Background technology
Non-polarizing electrode (Non-Polarized Electrode) is a kind of ground-electrode of special measurement potential difference (PD).Non-polarizing electrode has been widely used in the measurement of telluric electricity field signal and seismic signal, is equipment conventional in electromagnetic survey and seismic prospecting.
For a long time, this field Reconnaissance Survey electrode is mainly divided into two classes: metal electrode, metal-metal salt solusion electrode.Metal electrode is large due to its polarized potential, receives electric field second-rate, is not suitable for high-precision electric field measurement; Metal-metal salt solusion electrode, with the electrochemical means of ionic conduction, principle will increase the slaine keeping certain potential of hydrogen between soil and metal electrode, metal polarized potential is controlled by preparing metal salinity, make metal polarized potential reduce and keep relative stability, therefore metal-metal salt electrode is widely applied in geoelectric field test.The electrode of this kind of electrochemical means is commonly called as " non-polarizing electrode ".The lead chloride non-polarizing electrode of 1980 is developed into from the copper sulphate non-polarizing electrode of nineteen thirty-seven, then to adding sticky material by liquid chlorine lead electrode in recent years or clay gypsum becomes solid nonpolarizing electrode.In present applications ' the tail must be taken, normally used " non-polarizing electrode " mainly contains lead-lead chloride (P
b-P
bcl
2) liquid or solid electrode, copper-copper sulfate electrode (Cu-CuSO
4) and silver-silver chloride (Ag-AgCl) electrode.These adopt non-polarizing electrode all Shortcomings parts of electrochemical means, and copper sulphate non-polarizing electrode needs pairing before the use, namely select potential difference (PD) between two electrodes little be pair of electrodes.Must keep moist when lead chloride non-polarizing electrode is deposited, its pole tank chemistry inside term of life is 1-2.Electrode, when ground connection uses, has plumbous class chemical substance to leak out inflow surface, has certain pollution to environment in lead chloride electrode.Silver chloride electrode easily produces oxidation.In long period is measured, the non-polarizing electrode of electrochemical means affects comparatively large by ground connection temperature, moisture content humidity, potential of hydrogen, also can suddenly change by generating electrodes extreme difference, affects measurement result.
Summary of the invention
For solving the problems of the technologies described above, the invention discloses and adopt electron physics Method And Principle to measure a kind of non-polarizing electrode of telluric electricity field signal, it comprises:
Plate-like metal material is as electrode body, and electrode surface coated with conductive particulate dry coat, this coating is as the measurement surface of contact with object being measured.Electrically conductive particles overlayer is after contacting with object being measured and can produce polarized potential, be present in intratectal electrically conductive particles and produce discharge process with the electrically conducting manner contacted with each other, make the polarized potential produced between metal electrode and object being measured be discharged effect to eliminate, reach metal electrode and keep not polarization characteristic.
Described electrically conductive particles is one or more compositions in Graphene, carbon nano-tube and graphite.
Described bonding agent is one or more compositions in epoxy resin, RTV silica gel and other polymer adhesives.
Further, described electrically conductive particles is sheet or Powdered, and its size is micron dimension or nanometer scale.
Preferably, the thickness of described dry coat is 0.3mm ~ 1.0mm.
The structure of whole described non-polarizing electrode is as follows:
Bottom has the housing of opening also in hollow form;
Be installed on the conducting metal dish of described housing bottom, it is as electrode body, and the opening being close to described housing bottom of going to the bottom of described metal dish also just seals described opening;
To be mixed with electrically conductive particles by bonding agent and be coated in described conducting metal dish bottom face shape dry coat;
Connect the upper base of described conducting metal dish and extend upwardly to the contact conductor passing described case top along described enclosure interior.
Further, also include the insulating supporting dish that is positioned at described enclosure interior, described supporting disk is installed on described conducting metal dish top, and described supporting disk central authorities offer the aperture passed for described contact conductor.
Preferably, described housing is inverted infundibulate, have the bottom of a cylindrical shape, the upper end of a cylindrical shape and the convergent part that connects between upper and lower two ends, wherein, the bottom circular diameter of described housing is greater than the circular diameter of upper end.
Further, the upper end of described housing is also provided with the circular enclosure for the protection of described housing, is also provided with the circular hole passed for described contact conductor at described circular enclosure middle position.
Preferably, the circular hole place passing described circular enclosure at described contact conductor is also provided with that water-tight is resistance to draws parts.
Compared with prior art, non-polarizing electrode provided by the present invention, changes traditional electrochemical means slackening polarization of electrode current potential, but have employed a kind of mode of electron physics.The non-polarizing electrode of this electron physics mode is not operationally containing chemical reaction, pollution can not be brought to soil and environment, and it manufactures simple, there is the advantages such as stability is high, electrode extreme difference is low, internal resistance is low, lightweight, the routine measurement and the long period that are applicable to geophysical instrument are measured, and operation and maintenance is simple.This electrode life is the several times of electrochemical means electrode.This electrode can replace salt water irrigation electrode to bury hole with light water, can realize replacing non-polarizing electrode traditional in the market, is conducive to measuring, and is conducive to environmental protection.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of electrode contour structures described in the embodiment of the present invention;
Fig. 2 is the expansion schematic diagram of each parts of electrode described in the embodiment of the present invention;
Fig. 3 is the sectional front view of electrode described in the embodiment of the present invention.
Embodiment
Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.As employed some vocabulary to censure parts in the middle of instructions and claim, those skilled in the art should understand, and same parts may be called with different noun by parts manufacturing firm.This specification and claims are not used as distinguishing the mode of parts with the difference of title, but using parts difference functionally as the criterion distinguished.Instructions subsequent descriptions for implementing better embodiment of the present invention, described by be to illustrate for the purpose of rule of the present invention, and be not used to limit scope of the present invention.Protection scope of the present invention is when being as the criterion depending on the claims person of defining.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
With reference to accompanying drawing 1, a kind of non-polarizing electrode 10 described in the embodiment of the present invention, there is one in inverted infundibulate main casing 11, enclosure interior is hollow design, described housing 11 forms primarily of three parts, be positioned at the bottom 12 of the cylindrical shape in bottom, be positioned at the upper end 14 of the cylindrical shape in top, and connect upper and lower two ends from the bottom up in the convergent part 13 of convergence shape, wherein, the circular diameter of housing 11 bottom is greater than the circular diameter of housing upper end, the height of housing 11 can be set to 8-12 centimetre, be preferably 10 centimetres, housing bottom 12 diameter can be set to 6-12 centimetre, be preferably 10 centimetres, the diameter of housing upper end 14 is 4-6 centimetre, be preferably 5 centimetres.Opening 15 is arranged at the bottom of housing 11, and with reference to accompanying drawing 2, opening is completely unlimited.Housing upper end 12 is also provided with the circular enclosure 16 with its combination; can be used for protective housing; the medium position of circular enclosure 16 is provided with the circular holes that power pole lead-in wire 19 passes, and circular enclosure 16 and housing upper end 12 are by bond or the combination of screw thread is installed, preferably bonding mode.For different place and measurement demand, select housing 11 size of described electrode 10 also can be set to difference, the area that electrode contacts with the earth also can be set to different.
Wherein, described housing 11 and circular enclosure 16 adopt complete waterproof and the engineering plastics material can born in-25 DEG C to 60 DEG C temperature ranges is made, when different weather changes, can both be met it normally work, preferred employing ABS plastic, its water proofing property is strong, and impact resistance, thermotolerance, lower temperature resistance, chemical resistance are excellent.
It should be noted that, housing 11 shape of the embodiment of the present invention is set to the rounded inverted infundibulate in cross section, conveniently place, when measuring telluric electricity field signal, steadily reliable, but be understandable that, this housing 11 can also be set to other arbitrary suitable shape, as square, or cross section is polygonal shape etc.
With reference to shown in Fig. 2, Fig. 3, the opening 15 of described housing bottom is provided with corresponding metal dish 17, described opening is close in going to the bottom of metal dish 17, also namely concordant with the opening of described housing bottom, its size is suitable for mutually with the size of described opening 15, and just seal described opening 15, metal dish 17 adopts high conductivity material to make, as copper, also the conductive metal material such as aluminium, nickel can be adopted.The adjacent setting of metal dish 17 upper surface be a supporting disk 18, supporting disk 18 is also positioned at that housing 11 is inner, and it adopts the material of insulation to make, and middle part offers an aperture 20, and power pole lead-in wire 19 passes, and the size of supporting disk 18 is identical with the size of metal dish 17.
Contact conductor 19, for the potential value of conducting electrode 10, is positioned at housing 11 inner, and the bottom of lead-in wire 19 is connected to the upper surface 21 of metal dish 17 by the aperture 20 on supporting disk 18, the top of lead-in wire 19 is passed to outside by the circular hole in circular enclosure 16.Also be provided with at the circular hole place that described contact conductor 19 passes described circular enclosure 16 that water-tight is resistance to draws parts 22, it can prevent moisture or other impurity from penetrating into enclosure interior by contact conductor 19.
One deck dryness electrically conductive particles coating 23 is also coated with at the lower surface of metal dish 17; this dryness electrically conductive particles coating 23 is mixed by bonding agent and electrically conductive particles and forms; electrically conductive particles can be that the sheet of micron or nano-scale size or powdered substance are as the compositions such as Graphene, carbon nano-tube or powdered graphite particle or mixing composition; they all have high conductivity; the advantages such as internal resistance is low; preferred employing Graphene particulate, its best results.This electrically conductive particles mixes with bonding agent, and bonding agent can be epoxy resin, silica gel or other high molecular polymers, preferably adopts epoxy resin.Wherein, electrically conductive particles and the mixed coating thickness of bonding agent are between 0.3 ~ 1.0mm, and it is better that such thickness receives the earth signal effect.After adopting high connductivity particulate to mix with high molecular polymer, be coated in surface of metal electrode, when electrode contact object being measured (the earth soil), the polarized potential of metal electrode can be reduced even to eliminate.
In use, electrode 10 can be placed on the ground that selected exploration is on-the-spot, coating 23 and earth surface, the electrode that electrode 10 is positioned over water in advance pouring wetting buries in hole, and does not need to use chemical substance pouring wetting.Inverted infundibulate housing 11 has relatively large bottom 12 and is conducive to electrode 10 firmly kiss the earth, by contacting with each other in coating 23 between electrically conductive particles, make metal electrode produce discharge effect when contacting soil, and then eliminate the polarized potential of metal electrode.
This non-polarizing electrode adopts the Method And Principle of electron physics, take metal material as conductive electrode, the surperficial coated with conductive particulate overlayer of electrode, electrically conductive particles overlayer is after contacting with object being measured and can produce polarized potential, be present in intratectal electrically conductive particles and produce discharge process with the electrically conducting manner contacted with each other, make the polarized potential produced between metal electrode and object being measured be discharged effect to eliminate, reach metal electrode and keep not polarization characteristic.
In non-polarizing electrode use procedure of the present invention, Maintenance free also has solid and reliable structure, handling safety, be easy to use, especially do not contain chemical liquid in this non-polarizing electrode, also do not produce chemical reaction, use middle without chemicals seepage and pollution problem, be conducive to environmental protection.
It should be noted that; the foregoing is only preferred embodiment of the present invention; not thereby limit scope of patent protection of the present invention, the present invention can also carry out the improvement of materials and structures to the structure of above-mentioned various parts, or adopts technically equivalent ones to replace.Therefore the equivalent structure change that all utilizations instructions of the present invention and diagramatic content are done, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the present invention contains.
Claims (9)
1. a non-polarizing electrode, is characterized in that comprising:
Bottom has the housing of opening also in hollow form;
Be installed on described housing bottom and as the conducting metal dish of electrode body, the bottom surface of described metal dish is concordant with the opening of described housing bottom and seal housing bottom;
Adopt bonding agent to mix with electrically conductive particles and be coated in described conducting metal dish bottom face and form dry coat, described coating contacts with object being measured;
Connect the upper base of described conducting metal dish and extend upwardly to the contact conductor passing described case top along described enclosure interior.
2. non-polarizing electrode as claimed in claim 1, is characterized in that, described electrically conductive particles is one or more compositions in Graphene, carbon nano-tube and graphite.
3. non-polarizing electrode as claimed in claim 1, is characterized in that, described bonding agent is one or more compositions in epoxy resin, RTV silica gel and other high molecular polymers.
4. non-polarizing electrode as claimed in claim 2, is characterized in that, described electrically conductive particles is sheet or Powdered, and its size is micron dimension or nanometer scale.
5. non-polarizing electrode as claimed in claim 1, it is characterized in that, the thickness of described dry coat is 0.3mm ~ 1.0mm.
6. non-polarizing electrode as claimed in claim 1, it is characterized in that, also include the insulating supporting dish that is positioned at described enclosure interior, described supporting disk is installed on described conducting metal dish top, and described supporting disk central authorities offer the aperture passed for described contact conductor.
7. the non-polarizing electrode as described in claim 1 or 6, it is characterized in that, described housing is inverted infundibulate, there is the bottom of a cylindrical shape, the upper end of a cylindrical shape and the convergent part that connects between upper and lower two ends, wherein, the bottom circular diameter of described housing is greater than the circular diameter of upper end.
8. non-polarizing electrode as claimed in claim 7, is characterized in that, the upper end of described housing is also provided with the circular enclosure for the protection of described housing, is also provided with the circular hole passed for described contact conductor at the middle position of described circular enclosure.
9. non-polarizing electrode as claimed in claim 8, is characterized in that, passes described circular enclosure circular hole place be also provided with that water-tight is resistance to draws parts at described contact conductor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/999,781 | 2014-03-21 | ||
| US13/999,781 US9293843B2 (en) | 2014-03-21 | 2014-03-21 | Non-polarized geophysical electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104330831A true CN104330831A (en) | 2015-02-04 |
| CN104330831B CN104330831B (en) | 2017-11-03 |
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ID=52282535
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410649574.1A Active CN104330831B (en) | 2014-03-21 | 2014-11-14 | Unpolarizable electrode |
| CN201420683773.XU Active CN204166145U (en) | 2014-03-21 | 2014-11-14 | Non-polarizing electrode |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420683773.XU Active CN204166145U (en) | 2014-03-21 | 2014-11-14 | Non-polarizing electrode |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9293843B2 (en) |
| EP (1) | EP2921884B1 (en) |
| CN (2) | CN104330831B (en) |
| CA (1) | CA2875099C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843930A (en) * | 2017-12-22 | 2018-03-27 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of solid nonpolarizing electrode and preparation method thereof |
| TWI687008B (en) * | 2017-10-20 | 2020-03-01 | 日商夏普股份有限公司 | Discharge device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9293843B2 (en) * | 2014-03-21 | 2016-03-22 | Yi Lu | Non-polarized geophysical electrode |
| DE102018001448B4 (en) * | 2018-02-22 | 2022-03-03 | Christoph Donié | Device for geoelectric measurements on sealed surfaces |
| RU2701876C1 (en) * | 2018-09-12 | 2019-10-02 | Федеральное государственное бюджетное учреждение науки Научная станция Российской академии наук в г. Бишкеке (НС РАН) | Moisture saturation stabilization of non-polarizing electrodes |
| US11977197B1 (en) | 2020-08-28 | 2024-05-07 | Earthsystems Technologies, Inc. | Thermodynamic housing for a geophysical data acquisition system and method of use |
| CN112835106B (en) * | 2021-01-04 | 2023-05-26 | 中国石油天然气集团有限公司 | Non-polarized receiving electrode structure |
| CN112993605B (en) * | 2021-02-08 | 2022-08-16 | 四川诺特科技有限公司 | Compound grounding body of graphite alkene |
| US11808797B1 (en) | 2021-03-19 | 2023-11-07 | Earthsystems Technologies, Inc. | Hemispherical dome electrode configuration and method of use |
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2014
- 2014-03-21 US US13/999,781 patent/US9293843B2/en active Active
- 2014-11-14 CN CN201410649574.1A patent/CN104330831B/en active Active
- 2014-11-14 CN CN201420683773.XU patent/CN204166145U/en active Active
- 2014-12-15 CA CA2875099A patent/CA2875099C/en active Active
- 2014-12-23 EP EP14200208.8A patent/EP2921884B1/en active Active
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| JP2001074850A (en) * | 1999-09-09 | 2001-03-23 | Oyo Corp | Electric surveying method using non-polarizing electrode |
| US20110210282A1 (en) * | 2010-02-19 | 2011-09-01 | Mike Foley | Utilizing nanoscale materials as dispersants, surfactants or stabilizing molecules, methods of making the same, and products produced therefrom |
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| CN107843930A (en) * | 2017-12-22 | 2018-03-27 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of solid nonpolarizing electrode and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2875099C (en) | 2016-11-08 |
| US20150270627A1 (en) | 2015-09-24 |
| EP2921884A1 (en) | 2015-09-23 |
| EP2921884B1 (en) | 2021-06-16 |
| US9293843B2 (en) | 2016-03-22 |
| CN204166145U (en) | 2015-02-18 |
| CN104330831B (en) | 2017-11-03 |
| CA2875099A1 (en) | 2015-09-21 |
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